Inflatable body positioner and control system therefor

Abstract

The utility model relates to an inflatable body position pad and control system thereof, including body position pad body, inflation device, inflation and deflation gas path control module, head gasbag, upper trunk gasbag, hip gasbag, patella gasbag and shin gasbag, upper trunk gasbag includes the upper trunk gasbag independent air chamber of matrix distribution, hip gasbag includes the hip gasbag independent air chamber of matrix distribution, patella gasbag includes the patella gasbag independent air chamber of along body position pad body Y direction arrangement, shin gasbag includes the shin gasbag independent air chamber of along body position pad body Y direction arrangement, inflation and deflation gas path control module is connected with inflation device through the trachea, and gasbag unit and air chamber unit are connected with inflation and deflation gas path control module through the trachea respectively and independently control inflation and deflation. Control system includes controller, pressure sensor and control module. The utility model can satisfy the operation body position support needs of different body shape patients, can switch specific support position, and the inflation and deflation massage of stepless pressure regulating is realized.

Description

Technical Field

[0001] This utility model belongs to the technical field of medical devices, and in particular relates to an inflatable positioning pad and its control system. Background Technology

[0002] Surgical positioning pads are medical instruments used on the operating table. Different positioning pads are used depending on the different surgical positions and patient locations to stabilize the patient's position. Especially after anesthesia, when patients' muscles are relaxed and they have lost control of their own bodies, either physically or locally, positioning pads must ensure that the surgical field is fully exposed for smooth surgery, while also supporting the patient's normal breathing and circulation, and preventing pressure sores caused by prolonged surgery on limbs, joints, and nerves.

[0003] Clinically used positioning pads are typically modular, with specific pads designed for different body parts. Before surgery, medical staff need to frequently move the patient's body to place the positioning pad in the appropriate position on the operating table to support the corresponding body parts. Using these modular positioning pads is not only cumbersome, but the frequent patient movements also increase patient discomfort and risk.

[0004] Inflatable positioning mats also exist in the prior art. For example, in utility model patent application number 201620679269.1, entitled "A Positioning Mat for Bedridden Patients to Prevent Pressure Injuries, Pressure Ulcers, and Wound Treatment," an inflatable positioning mat is disclosed. Airbags are provided on the mattress corresponding to different body parts. An inflation device allows for selective inflation of a portion of the airbags to support the corresponding body parts. The airbag inflation includes three levels: 30%, 60%, and 80%. This inflatable positioning mat overcomes the aforementioned shortcomings of separate positioning mats, but it also has the following drawbacks:

[0005] The fixed position of each airbag on the mattress means that the overall support position of the airbags after inflation is fixed, making it unsuitable for patients of different body types. Furthermore, its functionality is limited; the airbag inflation pressure can only be adjusted in three levels instead of infinitely, preventing the switching of specific support positions for the same body part, the inability to perform inflation and deflation massage on specific support areas, the inability to fully expose specific areas of the patient (such as the neck, lower back, and abdomen) while maintaining a fixed position, and the inability to quickly position the patient into a semi-recumbent position in case of surgical complications. Summary of the Invention

[0006] This invention provides an inflatable positioning pad and its control system. The technical problem to be solved is to meet the surgical positioning support needs of patients with different body types. The specific support position can be switched for the same body part, and the pressure can be adjusted steplessly to realize the inflation and deflation massage of the airbag support position.

[0007] The technical solution adopted by this utility model to solve its technical problem is to provide an inflatable positioning pad, including a positioning pad body, an inflation device, and an inflation / deflation airway control module. The positioning pad body is provided with at least a head airbag, an upper trunk airbag, a hip airbag, a patellar airbag, and a tibial airbag corresponding to the corresponding parts of the human body. The upper trunk airbag includes several independent air chambers of the upper trunk airbag arranged in a matrix. The hip airbag includes several independent air chambers of the hip airbag arranged in a matrix. The patellar airbag includes independent air chambers of the patellar airbag arranged along the Y direction of the positioning pad body. The tibial airbag includes independent air chambers of the tibial airbag arranged along the Y direction of the positioning pad body. The inflation / deflation airway control module is connected to the inflation device through an air tube. Each independent airbag unit and each independent air chamber unit is connected to the inflation / deflation airway control module through an air tube, and inflation and deflation are independently controlled by the inflation / deflation airway control module.

[0008] In another embodiment of this utility model, the inflation / deflation airway control module includes an inflation airway control module and a deflation airway control module. The inflation airway control module includes an inflation control element that controls the opening and closing of the inflation airway for each independent airbag unit and each independent air chamber unit. The deflation airway control module includes a deflation control element that controls the opening and closing of the deflation airway for each independent airbag unit and each independent air chamber unit.

[0009] In another embodiment of this utility model, the inflation / deflation air path control module includes an integrated inflation / deflation control element that controls the opening and closing of the inflation / deflation air paths of each independent airbag unit and each independent air chamber unit.

[0010] In another embodiment of the present invention, the head airbag includes arc-shaped support portions that are symmetrically distributed along the Y-axis of the body positioning pad.

[0011] In another embodiment of this utility model, a neck airbag is provided on the body of the positioning pad corresponding to the neck of the human body, and the maximum support height of the neck airbag is higher than the maximum support height of the head airbag and the upper torso airbag.

[0012] In another embodiment of this utility model, the body positioning pad is provided with a waist airbag corresponding to the waist of the human body, and the maximum support height of the waist airbag is higher than the maximum support height of the upper torso airbag and the hip airbag.

[0013] In another embodiment of this utility model, the maximum support height of the hip airbag, patellar airbag and tibial airbag gradually increases, and the angle between the first support slope formed at the maximum support height and the plane of the body of the positioning pad is 20° to 30°.

[0014] In another embodiment of this utility model, the maximum support height of the head airbag, upper trunk airbag and hip airbag gradually decreases, and the angle between the second support slope formed at the maximum support height and the plane of the body of the positioning pad is 10° to 20°.

[0015] In another embodiment of this utility model, the upper trunk airbags are distributed at intervals along the Y direction of the body positioning pad, and each upper trunk airbag includes several independent air chambers of upper trunk airbags arranged along the X direction.

[0016] The hip airbags are distributed at intervals along the X-axis of the body positioning pad, and each hip airbag includes several independent air chambers arranged along the Y-axis.

[0017] Another technical solution adopted by this utility model to solve its technical problem is to provide a control system for an inflatable positioning pad as described in any of the above embodiments, including a controller, a pressure sensor and a control module. The inflation device is electrically connected to the controller. Each independent airbag unit and each independent air chamber unit is provided with a pressure sensor. Each pressure sensor is electrically connected to the controller. Each air path control element of the inflation / deflation air path control module is electrically connected to the controller. The control module is electrically connected to the controller.

[0018] In another embodiment of the present invention, the control module includes an inflation / deflation control submodule, which includes inflation / deflation control units distributed corresponding to each independent airbag unit and each independent air chamber unit.

[0019] In another embodiment of this utility model, the control module includes a maximum air pressure adjustment submodule, which includes a maximum air pressure display module and an air pressure input module that are electrically connected to each other.

[0020] Alternatively, the control module may include a maximum air pressure regulation submodule, which may include a maximum air pressure input and display integrated module.

[0021] In another embodiment of this utility model, the control module includes a massage control submodule, which includes a massage control switch, a minimum air pressure display module, and an air pressure input module. The massage control switch is electrically connected to the minimum air pressure display module and the air pressure input module, respectively, and the air pressure input module is electrically connected to the minimum air pressure display module.

[0022] Alternatively, the control module may include a massage control submodule, which includes a massage control switch and a minimum air pressure input display module, wherein the massage control switch is electrically connected to the minimum air pressure input display module.

[0023] In another embodiment of this utility model, the control module includes a concave supine position control submodule, and the concave supine position control submodule includes a concave supine position control switch.

[0024] In another embodiment of this utility model, the controller and the control module are disposed on the control panel, and the control panel is disposed on the body of the positioning pad.

[0025] Beneficial effects

[0026] First, in this invention, when the airbags on the positioning pad are deployed, the head airbag is used as the reference for fixing the body position. Other airbags used for body position support and fixation, such as the upper trunk airbag, hip airbag, patellar airbag, and tibial airbag, are all configured to consist of multiple independent air chambers arranged in a matrix or side by side. Each independent air chamber can be independently controlled to inflate and deflate. This not only meets the surgical positioning support needs of patients of different body types, but also allows for switching the specific support position of the airbags for the same body part during long-term surgery by adjusting the inflation and deflation of different air chambers of the airbags in the same area, thereby achieving a better effect in preventing pressure injuries and improving the comfort of patients during long-term surgery to a certain extent.

[0027] Secondly, in this invention, each independent airbag unit and each independent air chamber unit can be independently inflated and deflated. The control system can control the airbags in each part separately. On the one hand, the maximum inflation pressure of the airbags in each part can be adjusted, with stepless pressure adjustment without being limited by gears, so as to obtain a suitable support and fixation effect of the airbag for the patient's body position. On the other hand, during long-term surgery, the inflation and deflation massage mode can be activated as needed. The control system can adjust the maximum and minimum air pressure of the airbag in the area to be massaged. The controller controls the corresponding control elements in the inflation and deflation air path control module, so that the airbag in that part is continuously and alternately inflated and deflated. The pressure sensor monitors and controls the airbag pressure in real time to change back and forth between the maximum and minimum air pressure, so as to achieve a massage effect on the corresponding part of the patient, thereby achieving a better effect of preventing pressure injury and improving the patient's comfort during long-term surgery.

[0028] Third, in this invention, the maximum support height of the hip airbag, patellar airbag, and tibial airbag gradually increases, and the angle between the first support slope formed at the maximum support height for supporting the patient's lower limbs and the plane of the positioning pad body is 20° to 30°. On the one hand, it can be used alone to elevate the patient's lower limbs during surgery; on the other hand, in the event of accidents such as hemorrhagic shock, the first support slope can be quickly formed by one button control through the control system, and the patient's head and chest can be raised to an appropriate height using the operating table, so that the patient can quickly assume a concave supine position, improve the patient's breathing and circulation, and facilitate rescue. Alternatively, the maximum support height of the head airbag, upper trunk airbag, and hip airbag can be designed to gradually decrease, with the angle between the second support ramp formed at the maximum support height and the plane of the positioning pad body being 10°–20°. This allows for individual use during surgery to elevate the patient's head and upper trunk, and also enables the rapid formation of the second support ramp via a single button press in case of an emergency. Combined with the first support ramp, this allows the patient to quickly assume a semi-concave position, facilitating resuscitation without requiring further tilting of the operating table. The control system is designed for one-button operation and is extremely convenient to use.

[0029] Fourth, in this utility model, the body positioning pad is provided with neck airbags and waist airbags corresponding to the neck and waist of the human body, and the maximum support height of the neck airbags and waist airbags is higher than the maximum support height of the adjacent airbags. For neck surgery and lumbar surgery with strong concealment of surgical field, the neck airbags and waist airbags are inflated to lift the patient's neck and waist, which makes it easier to expose the surgical field and facilitates surgical operation.

[0030] Fifth, in this utility model, the head airbag has two symmetrically distributed arc-shaped support parts, which are used to support the patient's head position after inflation. The two arc-shaped support parts form a gap, which facilitates the exit of anesthesia, oxygen supply and other catheters during surgery. It is particularly suitable for situations where the patient's head is supported on the arc-shaped support parts, taking into account the safety of the tubing and facilitating intraoperative observation. Attached Figure Description

[0031] Figure 1 This is a structural schematic diagram of Embodiment 1 of the present utility model.

[0032] Figure 2 This is a schematic diagram of the airflow control principle for each airbag unit and air chamber unit in Embodiment 1 of this utility model.

[0033] Figure 3 This is a schematic diagram of the touch panel on the control panel of Embodiment 1 of this utility model.

[0034] Figure 4 This is a schematic diagram of the concave lying position support formed by the corresponding airbag in Embodiment 1 of this utility model.

[0035] Figure 5 This is a schematic diagram of the control system of Embodiment 1 of this utility model.

[0036] Figure 6 This is a schematic diagram of the airflow control principle for the airbag unit and air chamber unit in Embodiment 2 of this utility model.

[0037] Figure 7 This is a schematic diagram of the touch panel on the control panel of Embodiment 2 of this utility model. Detailed Implementation

[0038] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims.

[0039] Example 1

[0040] like Figures 1-5 The diagram illustrates an inflatable positioning pad and its control system, comprising a positioning pad body 1, an inflation device 2, airbags for various parts, an inflation / deflation airway control module 8, and a control panel 14. The airbags for each part are positioned on the positioning pad body 1 according to the needs of fixing the surgical position, and protrude from the upper surface of the positioning pad body 1 after inflation. The inflation / deflation airway control module 8 and the control panel 14 are mounted on the same side of the positioning pad body 1; however, adjustments can be made in other embodiments. The inflation device 2 is connected to the airway control elements inside the inflation / deflation airway control module 8 via air pipes to supply air to the air inlets of each airway control element.

[0041] like Figure 1 As shown, in this embodiment, the positioning pad body 1 is equipped with a head airbag 3, an upper trunk airbag 4, a hip airbag 5, a patellar airbag 6, and a tibial airbag 7 corresponding to the corresponding parts of the human body. The head airbag 3 includes two symmetrically distributed arc-shaped support portions 3-1 along the Y-axis of the positioning pad body 1. The head airbag 3 has two symmetrically distributed arc-shaped support portions 3-1, which, when inflated, support the patient's head position, suitable for supine, prone, and lateral positions. The two arc-shaped support portions 3-1 form a gap, facilitating the exit of anesthesia, oxygen supply, and other catheters during surgery, particularly suitable when the patient's head is resting on the arc-shaped support portions 3-1.

[0042] Three upper torso airbags 4 are spaced apart along the Y-axis of the positioning pad body 1. Each upper torso airbag 4 includes six independent air chambers 4-1 arranged along the X-axis, so that the independent air chambers 4-1 of the upper torso airbags are distributed in a matrix pattern on the positioning pad body 1. Of course, in other embodiments, the specific number and arrangement of the independent air chambers 4-1 of the upper torso airbags can be adjusted as needed. As long as the independent air chambers 4-1 of the upper torso airbags are distributed in a matrix pattern on the positioning pad body 1, it should be considered as a technical means similar to that of this application.

[0043] Three hip airbags 5 are spaced apart along the X-axis of the positioning pad body 1. Each hip airbag 5 includes three independent air chambers 5-1 arranged along the Y-axis, so that the independent air chambers 5-1 are distributed in a matrix on the positioning pad body 1. When the patient is in a prone or supine position, the hips are mainly supported by the hip airbags 5 on both sides. When the patient is in a lateral position, the hips are mainly supported by the middle hip airbag 5. Of course, in other embodiments, the specific number and arrangement of the independent air chambers 5-1 can be adjusted as needed. As long as the independent air chambers 5-1 are distributed in a matrix on the positioning pad body 1 and can provide effective support for the hips of patients in prone, supine, and lateral positions, it should be considered a technical means similar to that of this application.

[0044] The patellar airbag 6 includes three strip-shaped independent air chambers 6-1 arranged along the Y direction of the positioning pad body 1, and the tibial airbag 7 also includes three strip-shaped independent air chambers 7-1 arranged along the Y direction of the positioning pad body 1. Of course, in other embodiments, the specific number and arrangement of the independent air chambers 6-1 of the patellar airbag and the independent air chambers 7-1 of the tibial airbag can be adjusted as needed to provide greater support for the patient's patella and tibia, thereby elevating the patient's lower limbs and preventing pressure injuries to the patient's knees, toes, or heels.

[0045] In addition, such as Figure 1As shown, the positioning pad body 1 is equipped with a neck airbag 9 and a lumbar airbag 10 corresponding to the neck and waist of the human body, respectively. The maximum support height of the neck airbag 9 is higher than that of the adjacent head airbag 3 and upper trunk airbag 4, while the maximum support height of the lumbar airbag 10 is higher than that of the adjacent upper trunk airbag 4 and hip airbag 5. It should be noted that the "maximum support height" of each airbag refers to its highest height in its natural state at its maximum threshold pressure. The "maximum threshold pressure" is not the same as the highest pressure achieved by adjusting the airbag's maximum pressure using the control module 13, but rather the maximum value achievable when the control module 13 adjusts the airbag's maximum pressure. By providing neck airbags 9 and lumbar airbags 10 on the positioning pad body 1 corresponding to the neck and waist of the human body, for neck and abdominal surgeries where surgical visibility is high, the higher maximum support height of the neck airbags 9 and lumbar airbags 10 when inflated can elevate the patient's neck and waist, making it easier to expose the surgical field and facilitating surgical procedures.

[0046] Each independent airbag unit and each independent air chamber unit is connected to the airway control element of the inflation / deflation airway control module 8 via an air tube, and the inflation and deflation of each independent airbag unit and each independent air chamber unit can be independently controlled by the inflation / deflation airway control module 8. It should be noted that an "independent airbag unit" refers to an airbag without an independent air chamber, including the head airbag 3, neck airbag 9, and waist airbag 10 in this embodiment. An "independent air chamber unit" refers to the smallest independent air chamber included in an airbag, including the upper trunk airbag independent air chamber 4-1, hip airbag independent air chamber 5-1, patellar airbag independent air chamber 6-1, and tibial airbag independent air chamber 7-1 in this embodiment. Both independent airbag units and independent air chamber units are the smallest objects controlled for inflation / deflation. The airway control principle for each independent airbag unit and each independent air chamber unit in this embodiment is as follows: Figure 2 As shown, the inflation / deflation air path control module 8 includes an integrated box and an inflation air path control module and a deflation air path control module arranged inside the integrated box. The inflation air path control module includes an inflation control element 8-1 that controls the on / off of the inflation air path of each independent airbag unit and each independent air chamber unit. The deflation air path control module includes a deflation control element 8-2 that controls the on / off of the deflation air path of each independent airbag unit and each independent air chamber unit. The inflation control element 8-1 and the deflation control element 8-2 can be independent or integrated multi-channel solenoid valves.

[0047] When the airbags on the positioning pad body 1 are deployed, the head airbag 3 is used as the reference for positioning. Other airbags used for positioning support and fixation, such as the upper trunk airbag 4, hip airbag 5, patellar airbag 6, and tibial airbag 7, are all designed to consist of multiple independent air chambers arranged in a matrix or side by side. Each independent air chamber can be independently controlled for inflation and deflation. This not only meets the surgical positioning support needs of patients of different body types, but also allows for switching the specific support position of the airbags for the same body part during long-term surgery by adjusting the inflation and deflation of different air chambers of the airbags in the same area, thereby achieving better protection against pressure injuries and improving patient comfort to a certain extent during long-term surgery.

[0048] like Figure 4 As shown, the maximum support height of the hip airbag 5, patellar airbag 6, and tibial airbag 7 gradually increases, and the angle α between the first support ramp S1 formed at the maximum support height and the plane of the positioning pad body 1 is 30°, which can be used alone during surgery to elevate the patient's lower limbs. In addition, the maximum support height of the head airbag 3, upper trunk airbag 4, and hip airbag 5 gradually decreases, and the angle b between the second support ramp S2 formed at the maximum support height and the plane of the positioning pad body 1 is 20°, which can be used alone during surgery to elevate the patient's head and upper trunk. In the event of complications such as hemorrhagic shock during surgery, the aforementioned airbags can be inflated with a single button press via the control system, forming a first supporting ramp S1 and a second supporting ramp S2 that work together. This allows the patient to quickly assume a concave supine position, which helps maintain airway patency, improves ventilation, increases lung capacity, ensures oxygen intake, reduces head congestion, prevents increased intracranial pressure due to excessive blood flow to the brain, reduces effective circulating blood volume, promotes venous return from the lower limbs, increases blood return to the heart, and facilitates resuscitation.

[0049] The control system in this embodiment is as follows: Figure 5 As shown. The controller 11 and control module 13 are mounted on the control panel 14, which also has a main switch. The inflation device 2 is electrically connected to the controller 11, and its start / stop is controlled by the controller 11. Each independent airbag unit and each independent air chamber unit has a pressure sensor 12 inside, and each pressure sensor 12 is electrically connected to the controller 11. Each air path control element of the inflation / deflation air path control module 8 is electrically connected to and controlled by the controller 11. The control module 13 is electrically connected to the controller 11, and its control parameters can be adjusted.

[0050] In this embodiment, the control module 13 uses touch screen control, and a touch screen 13-11 is provided on the control panel 14. Of course, in other embodiments, the control module 13 can also be a mechanical control module or a control module combining touch and mechanical control. The control module 13 mainly includes an inflation / deflation control submodule 13-1, a maximum air pressure adjustment submodule 13-3, a massage control submodule 13-6, and a concave reclining position control submodule 13-9.

[0051] The inflation / deflation control submodule 13-1 includes inflation / deflation control units 13-2 distributed corresponding to each independent airbag unit and each independent air chamber unit. For example... Figure 3 As shown, the touchscreen 13-11 includes a touch area for controlling the inflation and deflation of airbags in various parts. This touch area has touch keys distributed corresponding to each independent airbag unit and each independent air chamber unit. In use, by tapping a touch key, the backlight of that key illuminates, and the controller 11 controls the corresponding inflation control element to inflate the corresponding independent airbag unit or independent air chamber unit to the set maximum pressure. A long tap on the touch key turns off the backlight, and the controller 11 controls the corresponding deflation control element to deflate the corresponding independent airbag unit or independent air chamber unit.

[0052] The maximum air pressure regulation submodule 13-3 includes a maximum air pressure display module 13-4 and an air pressure input module 13-5 that are electrically connected to each other. For example... Figure 3 As shown, the touchscreen 13-11 includes a maximum pressure display area for showing the highest set air pressure of the airbag and a numeric keypad touch area. During operation, first select the touchpad of the corresponding airbag unit or air chamber unit in the inflation / deflation control unit 13-2, then select the maximum pressure display area. The percentage of the maximum air pressure of the airbag to the maximum threshold air pressure of that airbag is set via the numeric keypad and displayed in the maximum pressure display area. Each independent airbag unit and each independent air chamber unit can be independently controlled for inflation and deflation. The control system allows for individual control of the airbags in each part, and the maximum inflation pressure of each airbag can be adjusted infinitely without being limited by gear levels, achieving a suitable support and fixation effect for the patient's body position.

[0053] The massage control submodule 13-6 includes a massage control switch 13-7, a minimum air pressure display module 13-8, and an air pressure input module 13-5. The massage control switch 13-7 is electrically connected to both the minimum air pressure display module 13-8 and the air pressure input module 13-5. The air pressure input module 13-5 is electrically connected to the minimum air pressure display module 13-8. Figure 3As shown, the massage control switch 13-7 is a point-controlled switch located in the touch screen 13-11. The touch screen 13-11 includes a minimum air pressure display area for displaying the minimum set air pressure of the airbag. The minimum air pressure display area is only displayed and selectable after the massage control switch 13-7 is turned on. When an airbag needs to be inflated and deflated for massage, the operation is as follows: first turn on the massage control switch 13-7, select the touch keypad of the corresponding airbag unit or air chamber unit of the inflation / deflation control unit 13-2, then select the minimum air pressure display area, and set the percentage of the minimum air pressure of the airbag to the maximum threshold air pressure of the airbag (the system default is less than the percentage of the maximum air pressure to the maximum threshold air pressure of the airbag) using the numeric keypad, and display it in the minimum air pressure display area. After setting, the backlight of the corresponding touch keyboard of the inflation / deflation control unit 13-2 gradually changes. The controller 11 controls the inflation control element 8-1 and the deflation control element 8-2 in the inflation / deflation airway control module 8, so that the airbag in this part is continuously and alternately inflated and deflated. The pressure sensor monitors and controls the airbag pressure to change back and forth between the highest and lowest pressure in real time, so as to achieve a massage effect on the corresponding part of the patient, thereby achieving a better effect of preventing pressure injury and improving the patient's comfort during long-term surgery.

[0054] The concave-recumbent position control submodule 13-9 includes a concave-recumbent position control switch 13-10, which is a point-control switch located on the touch screen 13-11. When it is necessary to quickly put the patient into a concave-recumbent position during surgery, the concave-recumbent position control switch 13-10 is turned on. The controller 11 then controls the control element in the inflation / deflation airway control module 8 to work, so that the head airbag 3, upper trunk airbag 4, hip airbag 5, patellar airbag 6, and tibial airbag 7 are inflated and maintained at the maximum threshold pressure, while other airbags are deflated and other modes (such as inflation / deflation massage mode) are stopped, so that the patient can quickly put into a concave-recumbent position for emergency treatment. It is very convenient to use.

[0055] The control panel 14 is also equipped with an alarm to indicate that the airbag pressure is below the set minimum air pressure safety threshold range or exceeds the set maximum air pressure safety threshold range. The alarm is electrically connected to the controller 11 and is controlled by the controller 11. When the pressure sensor 12 detects that the pressure inside the airbag is below the set minimum air pressure safety threshold for a certain period of time, or exceeds the set maximum air pressure safety threshold for a certain period of time, the controller 11 controls the alarm to trigger the alarm and gives a fault location reminder by backlighting the touch keypad of the corresponding airbag unit or air chamber unit in the inflation / deflation control unit 13-2.

[0056] Example 2

[0057] Except for the following differences, the other technical contents of this embodiment are the same as those in Embodiment 1.

[0058] The air path control principle for each independent airbag unit and each independent air chamber unit in this embodiment is as follows: Figure 6 As shown, the inflation / deflation air path control module 8 includes an integrated inflation / deflation control element 8-3 that controls the on / off of the inflation / deflation air paths of each independent airbag unit and each independent air chamber unit. For example, a two-position three-way solenoid valve or valve group can be used to switch the inflation / deflation of the air paths of each independent airbag unit and each independent air chamber unit, thereby reducing the number of control elements and air pipes.

[0059] In this embodiment, the control module 13 also uses touch screen control. The high-pressure regulation submodule 13-3 includes a maximum pressure input display module 13-12, such as... Figure 7 As shown, the touch screen 13-11 has an adjustment bar for adjusting and displaying the maximum air pressure of the airbag. By moving the position of the adjustment bar by touch, the percentage of the maximum air pressure of the airbag to the maximum threshold air pressure of the airbag can be adjusted and displayed on the adjustment bar.

[0060] The massage control submodule 13-6 includes a massage control switch 13-7 and a minimum air pressure input display module 13-13, with the massage control switch 13-7 electrically connected to the minimum air pressure input display module 13-13. Figure 7 As shown, the massage control switch 13-7 is a point-control switch located on the touch screen 13-11. The touch screen 13-11 interface has an adjustment bar for adjusting and displaying the minimum air pressure of the airbag. After the massage control switch 13-7 is turned on, the minimum air pressure adjustment bar is displayed and adjustable. By moving the adjustment bar via touch, the percentage of the minimum air pressure to the maximum threshold air pressure of the airbag (the system default is less than the percentage of the maximum air pressure to the maximum threshold air pressure of the airbag) can be adjusted and displayed on the adjustment bar. After setting, the backlight of the corresponding touch keyboard on the inflation / deflation control unit 13-2 gradually changes. The controller 11 controls the integrated inflation / deflation control element 8-3 in the inflation / deflation airway control module 8, causing the airbag in that area to continuously and alternately inflate and deflate. The pressure sensor 12 monitors and controls the airbag pressure in real time, allowing it to fluctuate between the maximum and minimum air pressure to achieve a massage effect on the corresponding part of the patient's body.

[0061] In this embodiment, the maximum support height of the hip airbag 5, patellar airbag 6, and tibial airbag 7 gradually increases, and the angle α between the first support slope S1 formed at the maximum support height and the plane of the positioning pad body 1 is 20°. On the one hand, it can be used alone to elevate the patient's lower limbs during surgery. On the other hand, in the event of accidents such as hemorrhagic shock, the concave position control switch 13-10 can be opened by one button of the control system to quickly form the first support slope S1. In conjunction with the use of the operating table, the patient's head and chest can be raised to an appropriate height, so that the patient can quickly assume a concave position, improve the patient's breathing and circulation, and facilitate rescue.

Claims

1. An inflatable positioning pad, comprising a pad body (1) and an inflation device (2), characterized in that: It also includes an inflation / deflation airway control module (8). The body positioning pad (1) is provided with at least a head airbag (3), an upper trunk airbag (4), a hip airbag (5), a patellar airbag (6), and a tibial airbag (7) corresponding to the corresponding parts of the human body. The upper trunk airbag (4) includes independent air chambers (4-1) of the upper trunk airbags arranged in a matrix. The hip airbag (5) includes independent air chambers (5-1) of the hip airbags arranged in a matrix. The patellar airbag (6) includes air chambers along the body positioning pad. The main body (1) has several independent patellar airbag chambers (6-1) arranged in the Y direction. The tibial airbag (7) includes several independent tibial airbag chambers (7-1) arranged in the Y direction along the body pad (1). The inflation and deflation airway control module (8) is connected to the inflation device (2) through an air tube. Each independent airbag unit and each independent air chamber unit are connected to the inflation and deflation airway control module (8) through an air tube and are independently controlled by the inflation and deflation airway control module (8).

2. The inflatable positioning pad according to claim 1, characterized in that: The inflation / deflation airway control module (8) includes an inflation airway control module and a deflation airway control module. The inflation airway control module includes an inflation control element (8-1) that controls the opening and closing of the inflation airway for each independent airbag unit and each independent air chamber unit. The deflation airway control module includes a deflation control element (8-2) that controls the opening and closing of the deflation airway for each independent airbag unit and each independent air chamber unit.

3. The inflatable positioning pad according to claim 1, characterized in that: The inflation / deflation air path control module (8) includes an integrated inflation / deflation control element (8-3) that controls the opening and closing of the inflation / deflation air paths of each independent airbag unit and each independent air chamber unit.

4. An inflatable positioning pad according to claim 1, characterized in that: The head airbag (3) includes arc-shaped support parts (3-1) that are symmetrically distributed along the Y-axis along the body of the positioning pad (1).

5. An inflatable positioning pad according to claim 1, characterized in that: The body positioning pad (1) is provided with a neck airbag (9) corresponding to the neck of the human body. The maximum support height of the neck airbag (9) is higher than the maximum support height of the head airbag (3) and the upper torso airbag (4).

6. An inflatable positioning pad according to claim 1, characterized in that: The body positioning pad (1) is provided with a waist airbag (10) corresponding to the waist of the human body. The maximum support height of the waist airbag (10) is higher than the maximum support height of the upper torso airbag (4) and the hip airbag (5).

7. An inflatable positioning pad according to claim 1, characterized in that: The maximum support height of the hip airbag (5), patellar airbag (6) and tibial airbag (7) gradually increases, and the angle (a) between the first support slope (S1) formed at the maximum support height and the plane of the body pad (1) is 20° to 30°.

8. An inflatable positioning pad according to claim 1 or 7, characterized in that: The maximum support height of the head airbag (3), upper trunk airbag (4) and hip airbag (5) gradually decreases, and the angle (b) between the second support slope (S2) formed at the maximum support height and the plane of the body pad (1) is 10° to 20°.

9. An inflatable positioning pad according to claim 1, characterized in that: The upper trunk airbags (4) are distributed at intervals along the Y direction of the body positioning pad (1), and each upper trunk airbag (4) includes several independent air chambers (4-1) of the upper trunk airbags arranged along the X direction. The hip airbags (5) are distributed at intervals along the X direction of the body positioning pad (1), and each hip airbag (5) includes several independent air chambers (5-1) of the hip airbags arranged along the Y direction.

10. A control system for an inflatable positioning pad according to any one of claims 1-9, comprising a controller (11), a pressure sensor (12), and a control module (13), characterized in that: The inflation device (2) is electrically connected to the controller (11). Each independent airbag unit and each independent air chamber unit is equipped with a pressure sensor (12). Each pressure sensor (12) is electrically connected to the controller (11). Each air path control element of the inflation / deflation air path control module (8) is electrically connected to the controller (11). The control module (13) is electrically connected to the controller (11).

11. The control system for an inflatable positioning pad according to claim 10, characterized in that: The control module (13) includes an inflation / deflation control submodule (13-1), which includes inflation / deflation control units (13-2) distributed corresponding to each independent airbag unit and each independent air chamber unit.

12. The control system for an inflatable positioning pad according to claim 11, characterized in that: The control module (13) includes a maximum air pressure adjustment submodule (13-3), which includes a maximum air pressure display module (13-4) and an air pressure input module (13-5) that are electrically connected to each other. Alternatively, the control module (13) may include a maximum air pressure regulation submodule (13-3), which may include a maximum air pressure input display integrated module (13-12).

13. The control system for an inflatable positioning pad according to claim 12, characterized in that: The control module (13) includes a massage control submodule (13-6), which includes a massage control switch (13-7), a minimum air pressure display module (13-8), and an air pressure input module (13-5). The massage control switch (13-7) is electrically connected to the minimum air pressure display module (13-8) and the air pressure input module (13-5), respectively. The air pressure input module (13-5) is electrically connected to the minimum air pressure display module (13-8). Alternatively, the control module (13) may include a massage control submodule (13-6), which includes a massage control switch (13-7) and a minimum air pressure input display module (13-13), wherein the massage control switch (13-7) is electrically connected to the minimum air pressure input display module (13-13).

14. The control system for an inflatable positioning pad according to claim 10, characterized in that: The control module (13) includes a concave supine position control submodule (13-9), and the concave supine position control submodule (13-9) includes a concave supine position control switch (13-10).

15. The control system for an inflatable positioning pad according to any one of claims 10-14, characterized in that: The controller (11) and the control module (13) are located on the control panel (14), which is located on the body of the positioning pad (1).

Images